Product prices and availability are accurate as of 2021-06-10 23:54:54 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
Reliable 433 MHz technology
WS4904P model version provides pet immunity up to 60 lbs (27 kg)
1 long-life lithium battery included; capable of up to 9 years of battery life